Fosti
6.2#63 in tax compliance softwareFrom $399 a monthWebAPI
VisitFosti vs Kintsugi
What both publish
| Fact | Fosti | Kintsugi |
|---|---|---|
| API access | Yes | Yes |
| Filing support level | assisted | automated |
| Free plan | No | Yes |
| Integrations | The site lists Vertex, Avalara, OneSource, Sovos, TaxJar, NetSuite, QuickBooks, and Xero; it says import files are generated for Vertex, Avalara, and OneSource. | Direct connectors include Amazon, BigCommerce, Chargebee, Deel, Magento, NetSuite, Orb, QuickBooks, Sage Intacct, Shopify, Shopware, Stripe, Walmart, WooCommerce and Xero. |
| Return filing | No | Yes |
Fosti plans
- Starter$399 a month
- Growth$799 a month
- Scale$1,499 a month
- EnterprisePriced on request
Kintsugi plans
- Premium—
- FreeFree
- Starter$75, paid once
- Scale—
Pick Fosti if…
You want what its maker publishes above — check its page for the details.
Pick Kintsugi if…
Kintsugi suits businesses that need sales tax monitoring, registration, calculation, and return filing. It is also relevant to teams wanting CSV imports, no-code integrations, or broader multi-country compliance capabilities.